Python请求PUT方法创建一个零字节文件 [英] Python requests PUT method creates a zero byte file

问题描述

我正在尝试使用python中的请求模块通过PUT上传文件.

我的代码是这样的:

with open(file, 'rb') as payload:
    r = requests.put(url, data=payload, auth=('username', 'password'))

文件已创建，我得到200响应，但它有0个字节.如果我没有做错什么，我怀疑我在此处遇到了这个错误./p>

是这种情况吗?如果是，我可以尝试任何解决方法吗?

我也尝试过使用httplib2库

with open(file, 'rb') as payload:
    h = httplib2.Http(".cache")
    h.add_credentials('user', 'pass')
    resp, content = h.request(url, "PUT", body=payload)

但是请求永远保持挂起状态(再次创建大小为0的文件).请求模块也可能是同样的问题吗?

一些额外的信息.

接收PUT的服务正在ESXi虚拟机管理程序上运行.它具有一项功能，如果您发出经过身份验证的PUT请求，它将请求的文件存储在/tmp中.服务器端正在工作(用执行相同工作并且还使用curl的perl脚本对其进行了测试).

上传的文件是一个.tgz文件，位于我的本地文件系统上，URL的格式为"http://esx-server/tmp/file.tgz".

解决方案

所以看来确实存在某种错误.

我的解决方案是使用urllib2.它不像请求那样干净".但是仍然比我想象的要好.

我现在的工作代码是:

import urllib2
from base64 import b64encode

with open(source, 'rb') as file:
    data = file.read()
request = urllib2.Request(url)
request.add_data(data)
request.add_header('Authorization', 'Basic ' + b64encode(username + ':' + password))
request.get_method = lambda: "PUT"
r = urllib2.urlopen(request)

I am trying to upload a file with PUT using the requests module in python.

my code is this:

with open(file, 'rb') as payload:
    r = requests.put(url, data=payload, auth=('username', 'password'))

The file is created, I am getting a response 200, but it has 0 bytes. If I am not doing something wrong I suspect that I have met the bug here.

Is this the case? If yes is there any workaround that I can try?

I've tried also the same with the httplib2 library

with open(file, 'rb') as payload:
    h = httplib2.Http(".cache")
    h.add_credentials('user', 'pass')
    resp, content = h.request(url, "PUT", body=payload)

But the request stays hanging for ever (again a 0 size file is created). Could it also be the same problem with the requests module?

[EDIT] Some extra info.

The service receiving the PUT is running on a ESXi hypervisor. It has a function where if you make an authed PUT request it stores the file of the request in /tmp. The server side is working (tested it with a perl script which does the same job and also with curl).

The file uploaded is a .tgz file which lies on my local filesystem and the url is in the form of "http://esx-server/tmp/file.tgz".

解决方案

So it seems that there is some kind of bug indeed.

My solution was to use the urllib2. It isn't as "clean" as requests. But still better than what I thought it would be.

My working code now is:

import urllib2
from base64 import b64encode

with open(source, 'rb') as file:
    data = file.read()
request = urllib2.Request(url)
request.add_data(data)
request.add_header('Authorization', 'Basic ' + b64encode(username + ':' + password))
request.get_method = lambda: "PUT"
r = urllib2.urlopen(request)

这篇关于Python请求PUT方法创建一个零字节文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！